1101432140 has 12 divisors (see below), whose sum is σ = 2313007536. Its totient is φ = 440572848.

The previous prime is 1101432133. The next prime is 1101432181. The reversal of 1101432140 is 412341011.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27535784 + ... + 27535823.

It is an arithmetic number, because the mean of its divisors is an integer number (192750628).

Almost surely, 2^1101432140 is an apocalyptic number.

1101432140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101432140 is an abundant number, since it is smaller than the sum of its proper divisors (1211575396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1101432140 is a wasteful number, since it uses less digits than its factorization.

1101432140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55071616 (or 55071614 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1101432140 is about 33187.8312036204. The cubic root of 1101432140 is about 1032.7279119784.

Adding to 1101432140 its reverse (412341011), we get a palindrome (1513773151).

The spelling of 1101432140 in words is "one billion, one hundred one million, four hundred thirty-two thousand, one hundred forty".